:root {
  --bg: #000000;
  --card: #0a0a0a;
  --text: #ffffff;
  --text-secondary: #888888;
  --border: #222222;
  --input-bg: #111111;
  --accent: #ffffff;
  --error: #ff4444;
  --success: #00ff88;
  --warning: #ffaa00;
  --whatsapp: #25d366;
  --whatsapp-dim: #1a5c2e;
  --paystack: #09a5db;
  --usd: #ffd700;
}
[data-theme="light"] {
  --bg: #ffffff;
  --card: #f5f5f5;
  --text: #000000;
  --text-secondary: #666666;
  --border: #dddddd;
  --input-bg: #ffffff;
  --accent: #000000;
  --error: #cc0000;
  --success: #00aa44;
  --warning: #cc8800;
  --whatsapp: #128c7e;
  --whatsapp-dim: #a0c4b8;
  --paystack: #0088cc;
  --usd: #cc9900;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: background 0.3s, color 0.3s;
}
.theme-toggle {
  position: fixed;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.3s;
  z-index: 100;
}
.theme-toggle:hover { transform: scale(1.1); border-color: var(--accent); }
.status-bar {
  position: fixed;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 100;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}
.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 0.65rem;
  color: var(--text-secondary);
  transition: all 0.3s;
}
.status-item .icon { font-size: 0.75rem; line-height: 1; }
.status-item .value {
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--text);
  letter-spacing: 0.3px;
}
.status-item .label {
  font-size: 0.55rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.container {
  width: 100%;
  max-width: 440px;
  animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
}
.logo {
  text-align: center;
  margin-bottom: 24px;
}
.logo img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
  border: 2px solid var(--border);
}
h1 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 20px;
  background: var(--whatsapp-dim);
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
  pointer-events: none;
  cursor: not-allowed;
  border: 1px solid transparent;
}
.whatsapp-link.active {
  background: var(--whatsapp);
  color: #fff;
  pointer-events: auto;
  cursor: pointer;
  border-color: var(--whatsapp);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.whatsapp-link.active:hover {
  opacity: 0.85;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}
.whatsapp-link i { font-size: 1rem; }
.whatsapp-link .lock-icon { font-size: 0.75rem; margin-left: 4px; }
.whatsapp-link.active .lock-icon { display: none; }

.progress-wrap { margin: 20px 0; }
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: width 0.5s ease;
  width: 0%;
}
.count {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 8px;
}
.count span { color: var(--text); font-weight: 600; }

.alert {
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  display: none;
  align-items: center;
  gap: 10px;
}
.alert.show { display: flex; }
.alert-error { background: rgba(255,68,68,0.08); border: 1px solid rgba(255,68,68,0.2); color: var(--error); }
.alert-warn { background: rgba(255,170,0,0.08); border: 1px solid rgba(255,170,0,0.2); color: var(--warning); }
.alert-success { background: rgba(0,255,136,0.08); border: 1px solid rgba(0,255,136,0.2); color: var(--success); }

.form-group { margin-bottom: 16px; }
label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
input, select {
  width: 100%;
  padding: 12px 14px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.2s;
  outline: none;
}
input::placeholder { color: var(--text-secondary); opacity: 0.5; }
input:focus, select:focus { border-color: var(--accent); }
input.error {
  border-color: var(--error);
  animation: shake 0.3s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.phone-row { display: flex; gap: 8px; }
.phone-row select { 
  width: 130px; 
  flex-shrink: 0; 
  padding: 12px 8px; 
  font-size: 0.95rem; 
  font-weight: 600;
  letter-spacing: 0.5px;
}
.phone-row input { flex: 1; }
.error-msg {
  color: var(--error);
  font-size: 0.75rem;
  margin-top: 5px;
  display: none;
}
.error-msg.show { display: block; }

/* Country Select Styling */
#paymentCountry {
  font-size: 0.95rem;
  cursor: pointer;
}
#paymentCountry option {
  background: var(--card);
  color: var(--text);
  padding: 8px;
}

/* Currency Toggle */
.currency-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 16px 0;
  padding: 12px;
  background: var(--bg);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.currency-toggle-wrap .label-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.currency-toggle-wrap .currency-label {
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s;
}
.currency-toggle-wrap .currency-label.active {
  color: var(--paystack);
}
.currency-toggle-wrap .currency-label.usd-active {
  color: var(--usd);
}
.toggle-switch {
  width: 50px;
  height: 26px;
  border-radius: 13px;
  background: var(--border);
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  flex-shrink: 0;
}
.toggle-switch.active {
  background: var(--usd);
}
.toggle-switch::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  top: 2px;
  left: 2px;
  transition: transform 0.3s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.toggle-switch.active::after {
  transform: translateX(24px);
}

.payment-box {
  background: linear-gradient(135deg, rgba(9,165,219,0.08), rgba(9,165,219,0.02));
  border: 1px solid rgba(9,165,219,0.2);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 16px 0;
  text-align: center;
  transition: all 0.3s;
}
.payment-box.usd-mode {
  background: linear-gradient(135deg, rgba(255,215,0,0.08), rgba(255,215,0,0.02));
  border-color: rgba(255,215,0,0.3);
}
.payment-box .pay-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  transition: all 0.3s;
}
.payment-box.usd-mode .pay-amount {
  color: var(--usd);
}
.payment-box .pay-currency {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.payment-box .pay-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(9,165,219,0.1);
  border: 1px solid rgba(9,165,219,0.2);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--paystack);
  transition: all 0.3s;
}
.payment-box.usd-mode .pay-badge {
  background: rgba(255,215,0,0.1);
  border-color: rgba(255,215,0,0.2);
  color: var(--usd);
}
.payment-method-hint {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-style: italic;
}

.btn {
  width: 100%;
  padding: 14px;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn .spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: var(--bg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
[data-theme="light"] .btn .spinner {
  border-color: rgba(255,255,255,0.3);
  border-top-color: var(--text);
}
.btn.loading .btn-text { display: none; }
.btn.loading .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.btn-paystack {
  background: var(--paystack);
  color: #fff;
  box-shadow: 0 4px 15px rgba(9,165,219,0.3);
  transition: all 0.3s;
}
.btn-paystack:hover { opacity: 0.9; }
.btn-paystack.usd-mode {
  background: var(--usd);
  color: #000;
  box-shadow: 0 4px 15px rgba(255,215,0,0.3);
}
.btn-paystack.usd-mode:hover { opacity: 0.9; }

.vcf-download-card {
  background: linear-gradient(135deg, rgba(0,255,136,0.05), rgba(0,255,136,0.02));
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 16px 0;
  display: none;
  align-items: center;
  gap: 14px;
  transition: all 0.3s;
}
.vcf-download-card.show { display: flex; }
.vcf-download-card:hover {
  border-color: rgba(0,255,136,0.4);
  background: linear-gradient(135deg, rgba(0,255,136,0.08), rgba(0,255,136,0.03));
}
.vcf-icon {
  width: 44px; height: 44px;
  background: rgba(0,255,136,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--success);
  flex-shrink: 0;
}
.vcf-info { flex: 1; }
.vcf-info .vcf-title { font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.vcf-info .vcf-meta { font-size: 0.75rem; color: var(--text-secondary); }
.vcf-info .vcf-expiry { font-size: 0.7rem; color: var(--warning); margin-top: 4px; }
.vcf-download-btn {
  padding: 8px 16px;
  background: var(--success);
  color: #000;
  border: none;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
}
.vcf-download-btn:hover { opacity: 0.85; transform: scale(1.05); }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(8px);
}
.overlay.show { display: flex; }
.overlay-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 36px;
  text-align: center;
  max-width: 380px;
  width: 90%;
  animation: scaleIn 0.3s ease;
}
@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.overlay-icon {
  width: 64px; height: 64px;
  background: var(--success);
  color: #000;
  border-radius: 50%;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 18px;
}
.overlay-card h2 { font-size: 1.3rem; margin-bottom: 8px; }
.overlay-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 6px; }
.timer { font-size: 2.5rem; font-weight: 800; margin: 14px 0; }
.overlay-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}
.overlay-actions .btn { margin-top: 0; }
.overlay-actions .btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.overlay-actions .btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(128,128,128,0.05);
}

.footer {
  text-align: center;
  margin-top: 20px;
}
.footer a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #ff0000, #ff7f00, #ffff00, #00ff00, #00ffff, #0000ff, #8b00ff, #ff0000);
  background-size: 400% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbowFlow 4s linear infinite;
  text-shadow: 0 0 5px rgba(255,255,255,0.3), 0 0 10px rgba(255,255,255,0.2), 0 0 15px rgba(255,255,255,0.1);
  display: inline-block;
}
.footer a:hover { transform: scale(1.05); filter: brightness(1.3); }
@keyframes rainbowFlow {
  0% { background-position: 0% center; }
  100% { background-position: 400% center; }
}
.footer a::after { content: " \2728"; animation: sparkle 1s infinite alternate; }
@keyframes sparkle { from { opacity: 0.4; } to { opacity: 1; } }

@media (max-width: 480px) {
  .card { padding: 24px 20px; }
  h1 { font-size: 1.15rem; }
  .status-bar { flex-wrap: wrap; gap: 4px; top: 8px; left: 8px; }
  .status-item { padding: 3px 6px; font-size: 0.6rem; }
  .theme-toggle { width: 28px; height: 28px; font-size: 11px; top: 8px; right: 8px; }
  .logo img { width: 90px; height: 90px; }
  .vcf-download-card { flex-direction: column; text-align: center; }
  .payment-box .pay-amount { font-size: 1.6rem; }
  .currency-toggle-wrap { gap: 8px; padding: 10px; }
  .currency-toggle-wrap .label-text { font-size: 0.7rem; }
  .currency-toggle-wrap .currency-label { font-size: 0.75rem; }
  .phone-row select { width: 120px; font-size: 0.9rem; }
}

/* ─── Voice Verification Styles ────────────────────────── */
.voice-status {
  margin: 12px 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  min-height: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s ease;
  padding: 8px 16px;
  border-radius: 8px;
  background: transparent;
}

.voice-status.voice-playing {
  color: var(--success);
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.voice-status.voice-done {
  color: var(--success);
  background: rgba(0, 255, 136, 0.12);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.voice-wave {
  display: inline-block;
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}

.voice-wave::before,
.voice-wave::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: var(--success);
  opacity: 0.6;
  animation: voicePulse 1.2s ease-out infinite;
}

.voice-wave::before {
  width: 20px;
  height: 20px;
  left: 0;
  top: 0;
}

.voice-wave::after {
  width: 12px;
  height: 12px;
  left: 4px;
  top: 4px;
  animation-delay: 0.4s;
}

@keyframes voicePulse {
  0% { transform: scale(0.8); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 0.3; }
  100% { transform: scale(0.8); opacity: 0.6; }
}

/* Timer transition */
.timer {
  transition: color 0.3s ease, transform 0.3s ease;
}

/* Adding to group pulse animation */
.voice-status.voice-done::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: dotPulse 1s ease infinite;
  margin-left: 4px;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.6); }
}